ONE WAS INSIDE THE BUILDING AT THE TIME. THE AREA IS NOW TAPED OFF AS THEY ASSESS THE DAMAGE. AS IF THE ROUGH ROADS THIS MORNING WEREN'T ENOUGH, ADD ANOTHER MAJOR PROBLEM TO THE MIX. THE PORT AUTHORITY'S T SERVICE COMPLETELY SHUT DOWN, LEAVING MORE THAN 12,000 RIDERS WITHOUT THEIR USUAL RIDE TO WORK. JACKIE SCHAFER EXPLAINS HOW IT ALL HAPPENED. WHAT A MESS. Reporter: A TOTAL MESS, JANELLE. YOU KNOW, WE JUST GOT WORD THAT BLUE LINE RIDERS WERE RELYING ON SHUTTLE BUSES UNTIL JUST A COUPLE MINUTES AGO, AND WE JUST GOT WORD ALSO THAT ALL LINES ARE NOW BACK UP AND RUNNING. THEY ARE STILL DEALING WITH DELAYS, THOUGH. 10 TO 15 MINUTES, ABOUT. BUT EARLIER THIS MORNING, DURING THE HEIGHT OF THAT MORNING COMMUTE, PEOPLE WERE STUCK FOR A LOT LONGER THAN THAT. YEAH, I'M A LITTLE BIT LATE. I'M ABOUT A HALF HOUR LATE. I'M ABOUT AN HOUR LATE. Reporter: RED LINE RIDERS SEEING RED THIS MORNING, TICKED OVER T DELAYS. THEY SHOULD HAVE PLANNED BETTER. THEY SHOULD HAVE HAD THIS TAKEN CARE OF BEFORE THE ICE HIT. Reporter: ICE WAS THE PROBLEM, AS BUILDUP ON THE OVERHEADLINES BACKING UP THE RED LINE BIG-TIME, SHUTTING DOWN THE BLUE. IT WAS SITTING THERE LIKE SARDINES. Reporter: PAM WAITED NEARLY AN HOUR TO GET GOING TO HER JOB DOWNTOWN. ONCE IT COMES, ARE WE GOING TO ZOOM IN OR DO WE HAVE TO SIT ON THE BRIDGE FOR A LONG TIME? YOU DON'T WANT TO SIT TOO LONG. EVERYBODY HAS SOMEWHERE TO GO. Reporter: FORTUNATELY FOR PAM AND THIS CROWD OF COMMUTERS, ONE FINALLY CAME. BUT SOME CARS GOT STUCK ON THE TRACKS, SOME OVERHEAD LINES FELL, MAKING IT A LONG MISERABLE MORNING FOR MANY. THE PORT AUTHORITY SAYS THEY ACTUALLY HAD WORKERS OUT RUNNING THROUGH THE NIGHT TRYING TO KEEP THE LINES OPEN AND CLEAR, BUT THAT ICE WAS JUST TOO MUCH. I'M JACKIE SCHAFER, "CHANNEL 4

Israeli Prime Minister Benjamin Netanyahu warned Tuesday that a proposed agreement between world powers and Iran was "a bad deal" that would not stop Tehran from getting nuclear weapons -- but would rather pave its way to getting lots of them and lea...